Big Brother is a long-running reality show on CBS where a group of contestants enter a house in Los Angeles, without being able to leave, or have contact with the outside world, and be monitored by cameras 24/7 while they compete in challenges, form alliances, and vote each other out in the hopes of winning $500,000.

The cable documentary series Weaponology investigates the science of warfare as it has progressed and developed - over the centuries - from crude battlefield contraptions to diabolically inventive stealth weaponry. Each episode hones in on one particular category of weapon and discusses its background, evolution and strategic employment on the front lines. Episode 9 hones in on the most insidious of all battlefield weapons: the hidden booby traps that help turn the tide of conflict by wounding, maiming, deforming and rubbing out unsuspecting enemy soldiers. The program traces the technological development of these weapons as they have become increasingly powerful, deadly and elusive over the years.

As the concept of society grew and developed, the first great cities of the ancient world came to prominence. This episode from the Secrets of Ancient Empires collection investigates the realities behind everyday life in the city including law and order, education, taxation and the surprising truth behind early class systems.

This documentary reveals the inside story of how such a remarkable plane was designed and built, and how it survived against all odds to become an international icon and in the process changed
the face of air travel for ever.
Told by celebrity frequent fliers like David Frost and Henry Kissinger, by engineers, test pilots, stewardesses and charter passengers, this is the story of Concorde's life and death.

The bloody act of human sacrifice combined with bizarre ritualized acts formed the backdrop to ancient organized religious systems. This powerful episode of the Secrets of Ancient Empires collection peers into the darker side of life in the ancient world, where acts that appear immoral to the modern eye were an integral part of temple life.

This episode of Secrets of Ancient Empires collection features stunning re-creations and reconstructions as it tells the powerful story of the origins of organized warfare. The program reveals the truth behind the savagery of ancient battle; how weapons were made and developed; how sophisticated tactics were introduced and how great warriors made their reputation as they fought to win glory and protect their lands from foreign invasion.

The cable documentary series Weaponology investigates the science of warfare as it has progressed and developed - over the centuries - from crude battlefield contraptions to diabolically inventive weaponry. Each episode hones in on one particular category of weapon and discusses its background, evolution and strategic employment on the front lines. Episode three, "Rapid Fire," traces one of the deadliest of all wartime developments: the use of weapons that can fire continuously, from the stationary Gatling guns of the 19th century to the terrifying subatomic machine guns of the present day.

Powering Up Many experts say we are entering a new energy era: wind, geothermal, hydro you name it, if it moves and creates even a microjoule of energy, well use it. In this hour, well meet the scientists and visionaries who are ushering in sustainable energy.

Once in a while, between all the shows about copulating animals, Discovery Channel features something that really interests us: cars. This doco has everything you could want – shots of expensive cars, the development cycle for a supercar, and more shots of expensive cars. We suggest getting a drink before you sit down to watch this one - it’s over 45 minutes long

Documentary following NASA's scientists and engineers as they prepare to launch a new spacecraft intended to explore Pluto - the planet furthest from our Sun - when it arrives there in 2015.